Apparatus and method for chilling cryo-ablation coolant and resulting cryo-ablation system

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United States of America Patent

PATENT NO 9028445
APP PUB NO 20090281533A1
SERIAL NO

12432465

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Abstract

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Apparatus and methods for cooling liquid coolant, such as nitrous oxide, to be delivered to a cryo-ablation device such as a balloon catheter. A hose or conduit in fluid communication with the ablation device includes an outer member and inner tubes. A first inner tube disposed within a lumen of the outer member carries liquid coolant to the ablation device. Another inner tube also disposed within the lumen carries liquid coolant and terminates within the lumen such that gaseous coolant derived from liquid coolant flowing through the second inner tube flows within the lumen to cool or chill the first inner tube and liquid coolant carried by the first inner tube to the ablation device.

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Patent Owner(s)

  • BOSTON SCIENTIFIC SCIMED, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
George, Leonard Scotts Valley, US 9 205
Heberer, Joann Portola Valley, US 13 526
Hon, Raphael Irvine, US 10 522
Ingle, Frank W Palo Alto, US 32 2260

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